Intel® Fortran Compiler 17.0 Developer Guide and Reference
Elemental Intrinsic Function (Generic): Produces the hyperbolic arctangent of x.
result = ATANH (x)
x |
(Input) Must be of type real, where | x | is less than or equal to 1. |
The result type and kind is the same as x. The value lies in the range -1.0 to 1.0.
Specific Name |
Argument Type |
Result Type |
|---|---|---|
ATANH |
REAL(4) |
REAL(4) |
DATANH |
REAL(8) |
REAL(8) |
QATANH |
REAL(16) |
REAL(16) |
ATANH (-0.77) has the value -1.02033.
ATANH (0.5) has the value 0.549306.